21300011203 has 8 divisors (see below), whose sum is σ = 21609378000. Its totient is φ = 20991900288.

The previous prime is 21300011179. The next prime is 21300011233. The reversal of 21300011203 is 30211000312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21300011203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21300011233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279778 + ... + 347671.

It is an arithmetic number, because the mean of its divisors is an integer number (2701172250).

Almost surely, 2^21300011203 is an apocalyptic number.

21300011203 is a deficient number, since it is larger than the sum of its proper divisors (309366797).

21300011203 is an equidigital number, since it uses as much as digits as its factorization.

21300011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627941.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21300011203 its reverse (30211000312), we get a palindrome (51511011515).

The spelling of 21300011203 in words is "twenty-one billion, three hundred million, eleven thousand, two hundred three".